diff --git a/.gitea/workflows/docker-build-dashboard.yml b/.gitea/workflows/docker-build-dashboard.yml
index ee7ec05b..7fa232d5 100644
--- a/.gitea/workflows/docker-build-dashboard.yml
+++ b/.gitea/workflows/docker-build-dashboard.yml
@@ -14,16 +14,25 @@ env:
 jobs:
   build-dashboard:
     runs-on: ubuntu-latest
+    # FIX: The build takes ~1h54min and the default runner timeout is 2h —
+    # extend to 6h so the push step has time to complete.
+    timeout-minutes: 360
     steps:
       - uses: actions/checkout@v4
 
-      # FIX: Install the latest QEMU binaries to ensure stable and fast
-      # cross-compilation/emulation on your ARM64 Raspberry Pi
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
 
+      # FIX: Use driver: docker instead of the default docker-container driver.
+      # The container driver has a hardcoded ~2h BuildKit gRPC session timeout.
+      # On this ARM64 runner the dashboard build takes ~1h54min, leaving too
+      # little time for the push before the session dies. The docker driver
+      # uses the host daemon's built-in BuildKit — no external session, no
+      # 2-hour timeout, and the daemon's layer cache persists between runs.
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
+        with:
+          driver: docker
 
       - name: Log in to registry
         if: github.event_name != 'pull_request'
@@ -43,16 +52,25 @@ jobs:
             type=sha,prefix=sha-,format=short
             type=semver,pattern={{version}}
 
-      - name: Build and push
+      # With driver: docker, images are built into the local daemon — no
+      # push during the build. Cache is provided automatically by the daemon's
+      # local BuildKit store (persists between runs via the shared Docker socket).
+      - name: Build image
         uses: docker/build-push-action@v6
         with:
           context: .
           file: apps/start/Dockerfile
           target: runner
           platforms: linux/amd64
-          push: ${{ github.event_name != 'pull_request' }}
+          push: false
+          load: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
           provenance: false
-          cache-from: type=registry,ref=${{ env.REGISTRY }}/${{ env.OWNER }}/openpanel-dashboard:buildcache
-          cache-to: ${{ github.event_name != 'pull_request' && format('type=registry,ref={0}/{1}/openpanel-dashboard:buildcache,mode=min,image-manifest=true,oci-mediatypes=true,ignore-error=true', env.REGISTRY, env.OWNER) || '' }}
+
+      - name: Push image
+        if: github.event_name != 'pull_request'
+        run: |-
+          while IFS= read -r tag; do
+            [ -n "$tag" ] && docker push "$tag"
+          done <<< "${{ steps.meta.outputs.tags }}"